KANSAS CITY -- The Winter Meetings begin Sunday in Las Vegas, and the Royals have positioned themselves well to fill some roster holes either through trade, free agency or the Rule 5 Draft as they have trimmed their 40-man roster to 36. Royals general...

Some trades turn out great. Others look good at the time, yet turn out poorly. And some, like No. 7 on this list, look bad when they're made and get worse with time. Here's a look at the 10 biggest trades in D-backs history: